Global Mapper is a geographic information system (GIS) software package currently developed by Blue Marble Geographics.

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Converting SQLite db file into .kmz?

How to convert SQLite db (map data) into .kmz format. I am unable to connect already downloaded sqlite db file to Global Mapper application. I have downloaded these files on my android mobile.
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59 views

Clutter data - where to find for BC and how to convert to .grc

I would like to find a source of 30m or 90m clutter data for BC, Canada. Can anyone point me in the right direction? Preferably a free source. Is landcover synonymous with clutter? when ...
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53 views

Elevation Corridor Terrain Profiles

How to calculate a Max Terrain value of a profile over an area We have a situation where we are trying to generate a "max" profile, or a profile or extremely large width (in case 1) over terrain. ...
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38 views

Removing Duplicate Labels in Global Mapper?

Anybody knows how to remove duplicate labels in Global Mapper. For example for Canada, i do not want for every single island to be labeled "Canada", but instead only the mainland.
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90 views

Default How can I use SRTM/elevation data for vector layer Global Mapper

I want to create a 3D model of section of a city. So far the buildings, parcels etc. are digitized, however they do not have any Z/elevation data. How could I add height value to vectors using SRTM or ...
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439 views

how to generate NDVI with multi channel images?

I have a 6 channel proprietary camera and I need to create a NDVI map. I created a map from each band, so now I have 6 files each one on a different band width. How can I proceed now? I am using QGIS ...
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1answer
92 views

Digitizing roads from a scanned map

I have a scanned map in which roads are shown in red color, the RGB value being R>250, G=0 and B=0. Is there a way to auto digitize the roads by specifying RGB criterion or snap criterion? My ...
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43 views

Adding a WMS to XMap 8

I'm having trouble adding a WMS to XMap 8, and I'm curious if it can be done at all. I've been using Global Mapper for geologic research for quite a while, which has the ability to download data ...
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2answers
1k views

Georeferencing PDF maps for use in Avenza PDF maps

I have PDF maps like the one below (normally PDF, but JPEG for this) that I would like to be able to georeference to use with Avenza PDF maps. I don't have GIS training, but have access to Arcmap ...
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1answer
447 views

Recommendations for creating contour map from depth points

I am trying to put together a safe routes map for a local lake. I have an old paper map that has a grid of various depths as points. I would like to draw contour lines through these points and create ...
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37 views

Custom imagery not converted correctly in web Bing format tile with Global Mapper?

I have Custom image and I converted to that to the web bing format tiles with the help of global mapper but that are not produce correct quad key in each tile. On the bing map quad key is starte like ...
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76 views

analysis of srtm data for gaps

I need to analyse the SRTM DATA (1025 X 1025) of a particular terrain which has gaps or voids. Could anybody suggest a solution to find the percentage of gaps or voids in the SRTM data? I would like ...
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2answers
204 views

Retrieve Elevation from Color in Raster DEM

This might turn out to be a newbie question, and that would be because I'm fairly new to GIS work, but extensive online searching, asking associates with some basic GIS knowledge and hours in various ...
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2answers
178 views

Geo- referencing Projected coordinated raster with GCS - ArcGIS

I have raster displaying Lat/ Long grid, but map information shows that, it s been mapped in Gauss Krugger projetion/ Beijing 1954. So, technically we need to geo reference the map in Gauss Krugger/ ...
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1answer
373 views

Offset series of points perpendicular to a line with another line as a reference distance

I need to find out how to move/create a series of points which are already on a line perpendicular left or right to intersect with a second line which runs parallel to the first. The distance between ...
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2answers
283 views

What programs would allow for the mapping of a geoid in 3d?

I would like to find a method for plotting an exaggerated geoid (e.g. topography): I primarily use R for my work but would be interested in other open source software options (e.g. QGIS w/ GRASS). ...
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2answers
1k views

Extract ground elevation from a path of lat/lon

I have a set of Lat/Lon points and I'd like to know the actual ground elevation of these points. I have access to Global Mapper, Google Earth, AutoCAD Civil 3D. Could somebody suggest the bets way ...
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322 views

QGIS 2.0.1 connecting to ESRI WMTS jpeg vs jpg

I'm currently trying to troubleshoot an issue I have connecting to ESRI WMTS services. Esri ArcGIS Server seems to provide the format as JPEG via the rest service, but in the get capabilites ...
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202 views

How to write script for Line of sight and Viewshed analysis in Global Mapper

I wanted to write script in Global Mapper for Line of Sight and Viewshed analysis. I tried to calculate using Viewshed and Global Mapper Tools but the issue I am facing is that analysis is user ...
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2answers
125 views

How to adjust data digitized from an erroneously georeferenced basemap?

I have made quite a big georeferencing error, by attributing one of the control points of the map with a value that is 2 km less than the actual value, on the horizontal axis. The georeferenced map ...
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137 views

Error when converting .shp to .dxf

I have created a polygon shape file in Erdas Imagine 9.2 from a raster image. I want to export it to .dxf or .dgn for further processing. When I export the .shp to .dxf in Global Mapper, large ...
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1answer
175 views

Options for manually identifying road defects from Terrestrial Lidar

I am trying to create a process to identify road defects manually from Lidar. We have Erdas 2013, ArcGIS10.1 and Global Mappper 14.2 as options for paid software. So far Merrick Mars displays the ...
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111 views

Global Mapper Opening Error

I am having a problem when I am opening Global Mapper workspace that I had already created and saved it. Evey time I try to open it an error appear and nothing opens on the screen. Is there a way to ...
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2answers
347 views

Creating catalog of vector layers using ArcGIS Platform?

Is there a way to create a catalog of vector layers in ESRI? We have thousands of tiles of 25cm contour data which we need to individually find and add to maps. It would be so much easier if there was ...
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1answer
474 views

Flattening JP2 files to single band (i.e. averaging bands)?

I have created thousands of png tiles using ArcGIS and have merged groups of them into large jp2 files for serving via GeoServer. I need to flatten these to a single band so that I can apply a colour ...
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2k views

gdal_merge to merge hundreds of png files

I need to merge about 760 png files into one and am looking at using gdal for this. This is related to the following question Getting a constant background color for transparency ...
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2k views

Simulate flood to assess Asset inundation footprints

I am trying to evaluate a number of flood gauges to assess at what levels of river height different flood risks would need to be issued. The gauges are currently set to warn of flood a couple of ...